Three consecutive resonant frequencies of stretchedstring fixed at both ends are 60 Hz, 90 Hz and20 Hz then(1) The fundamental frequency is 30 Hz(2) The given frequencies are 1st, 3rd and 5th harmonic(3) The given frequencies are 1st, 2nd and 3rd overtone(4) Both (1) and (3) are correct

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Three resonant frequencies of a string are 90, 150 and 210 Hz.

(i) Find the highest possible fundamental frequency of vibration of this string

(ii) Which harmonics of the fundamental are the given frequencies?

(iii) Which overtones are these frequencies?

Three resonant frequencies of a string are 90, 150 and 210 Hz.

(i) Find the highest possible fundamental frequency of vibration of this string

(ii) Which harmonics of the fundamental are the given frequencies?

(iii) Which overtones are these frequencies?

2^{n d}

5^{t h}

108 Hz

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